diff --git a/apps/tree.c b/apps/tree.c
index 392328bd1d..4002e94703 100644
--- a/apps/tree.c
+++ b/apps/tree.c
@@ -699,6 +699,7 @@ void set_current_file(char *path)
     }
 }
 
+#ifdef BUTTON_ON
 static bool handle_on(int *ds, int *dc, int numentries, int tree_max_on_screen, int *dirfilter)
 {
     bool exit = false;
@@ -817,6 +818,7 @@ static bool handle_on(int *ds, int *dc, int numentries, int tree_max_on_screen,
 
     return used;
 }
+#endif
 
 static bool dirbrowse(char *root, int *dirfilter)
 {